#include <fstream>

using namespace std;

ifstream fin( "kfib.in" );
ofstream fout( "kfib.out" );

const int MOD = 666013;

int N;

int mat[3][3], aux[3][3], init[3][3];

void Quick_exp( int pow )
{
  if( pow <= 1 ) return;

  Quick_exp( pow / 2 );

  for( int i = 1; i <= 2; ++i )
    for( int j = 1; j <= 2; ++j )
    {
      aux[i][j] = 0;
      for( int J = 1, I = 1; J <= 2; ++J, ++I )
        aux[i][j] += ( 1LL *  mat[i][J] * mat[I][j] ) % MOD;

      aux[i][j] %= MOD;
    }

  if( pow % 2 )
  {
    for( int i = 1; i <= 2; ++i )
     for( int j = 1; j <= 2; ++j )
      mat[i][j] = aux[i][j];

    for( int i = 1; i <= 2; ++i )
     for( int j = 1; j <= 2; ++j )
     {
       aux[i][j] = 0;
       for( int J = 1, I = 1; J <= 2; ++J, ++I )
         aux[i][j] += ( 1LL *  mat[i][J] * init[I][j] ) % MOD;

       aux[i][j] %= MOD;
     }
  }

  for( int i = 1; i <= 2; ++i )
   for( int j = 1; j <= 2; ++j )
     mat[i][j] = aux[i][j];
}

int main()
{
    fin >> N;

    init[1][2] = 1;
    init[2][1] = 1;
    init[2][2] = 1;

    for( int i = 1; i <= 2; ++i )
     for( int j = 1; j <= 2; ++j )
       mat[i][j] = init[i][j];

    Quick_exp( N - 1 );

    /*for( int i = 1; i <= 2; ++i )
    {
      for( int j = 1; j <= 2; ++j )
        fout << mat[i][j] << ' ';

      fout << '\n';
    }*/

    fout << ( 1LL * mat[1][2] + mat[2][2] ) % MOD << '\n';

    fout.close();

    return 0;
}